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Yecoraite

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Formula:
Fe
3+
3
Bi
 
5
(Te
6+
 
O
 
4
)
 
2
(Te
4+
 
O
 
3
)O
 
9
· 9H
 
2
O
Colour:Yellow, orange to brown, ...Hardness:3
Name:Named after its discovery locality, San Martin de Porres Mine, west of Yecora, Sonora, Mexico.
This page provides mineralogical data about Yecoraite.

Classification of Yecoraite

IMA status:Approved 1983
Strunz 8th edition ID:4/K.18-10
Nickel-Strunz 10th (pending) edition ID:7.DF.70

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
F : With large and medium-sized cations
Dana 8th edition ID:34.8.6.1

34 : SELENITES, TELLURITES AND SULFITES
8 : Compound Selenites, Tellurites and Sulfites
Hey's CIM Ref.:28.4.17

28 : Selenites, Selenates, Tellurites, and Tellurates
4 : Tellurates
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Type Occurrence of Yecoraite

Type Locality:San Martín de Porres Mine, Yécora, Mun. de Yécora, Sonora, Mexico
Place of Conservation of Type Material:National History Museum, London 1984,479
Year of Discovery:1985
Geological Setting of type material:Oxidation product of tetradymite and pyrite.

Physical Properties of Yecoraite

Lustre:Resinous
Diaphaneity (Transparency):Translucent
Colour:Yellow, orange to brown, yellow-brown
Hardness (Mohs):3
Fracture:Conchoidal
Density (measured):5.59(11) g/cm3

Crystallography of Yecoraite

Morphology:Fibrous
Comment:Tetragonal or hexagonal

Optical Data of Yecoraite

Type:Uniaxial (+)
RI values: nω = 1.812 nε = 1.824
Maximum Birefringence:δ = 0.012

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High

Chemical Properties of Yecoraite

Formula:
Fe
3+
3
Bi
 
5
(Te
6+
 
O
 
4
)
 
2
(Te
4+
 
O
 
3
)O
 
9
· 9H
 
2
O
Essential elements:Bi, Fe, H, O, Te
All elements listed in formula:Bi, Fe, H, O, Te

Relationship of Yecoraite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.DF.05Uklonskovite
NaMg(SO
 
4
)F · 2H
 
2
O
7.DF.10Kainite
KMg(SO
 
4
)Cl · 3H
 
2
O
7.DF.15Natrochalcite
NaCu
 
2
(SO
 
4
)
 
2
(OH) · 2H
 
2
O
7.DF.20Metasideronatrite
Na
 
4
Fe
 
2
(SO
 
4
)
 
4
(OH)
 
2
· 2H
 
2
O
7.DF.20Sideronatrite
Na
 
2
Fe(SO
 
4
)
 
2
(OH) · 3H
 
2
O
7.DF.25Despujolsite
Ca
 
3
Mn
4+
 
(SO
 
4
)
 
2
(OH)
 
6
· 3H
 
2
O
7.DF.25Fleischerite
Pb
 
3
Ge(SO
 
4
)
 
2
(OH)
 
6
· 3H
 
2
O
7.DF.25Schaurteite
Ca
 
3
Ge(SO
 
4
)
 
2
(OH)
 
6
· 4H
 
2
O
7.DF.25Mallestigite
Pb
 
3
Sb
5+
 
(SO
 
4
)(AsO
 
4
)(OH)
 
6
· 3H
 
2
O
7.DF.30Slavíkite
(H
 
3
O
+
 
)
 
3
Mg
 
6
Fe
 
15
(SO
 
4
)
 
21
(OH)
 
18
· 99H
 
2
O
7.DF.35Metavoltine
Na
 
6
K
 
2
FeFe
 
6
(SO
 
4
)
 
12
O
 
2
· 18H
 
2
O
7.DF.40Lannonite
HCa
 
4
Mg
 
2
Al
 
4
(SO
 
4
)
 
8
F
 
9
· 32H
 
2
O
7.DF.40Vlodavetsite
AlCa
 
2
(SO
 
4
)
 
2
F
 
2
Cl · 4H
 
2
O
7.DF.45Peretaite
Ca(SbO)
 
4
(SO
 
4
)
 
2
(OH)
 
2
· 2H
 
2
O
7.DF.50Gordaite
NaZn
 
4
(SO
 
4
)(OH)
 
6
Cl · 6H
 
2
O
7.DF.55Clairite
(NH
 
4
)
 
2
Fe
 
3
(SO
 
4
)
 
4
(OH)
 
3
· 3H
 
2
O
7.DF.60Arzrunite
Cu
 
4
Pb
 
2
(SO
 
4
)(OH)
 
4
Cl
 
6
· 2H
 
2
O (?)
7.DF.65Elyite
Pb
 
4
Cu(SO
 
4
)O
 
2
(OH)
 
4
· H
 
2
O
7.DF.75Riomarinaite
Bi(SO
 
4
)(OH) · H
 
2
O
7.DF.80Dukeite
Bi
3+
24
Cr
6+
8
O
 
57
(OH)
 
6
· 3H
 
2
O
7.DF.85Xocolatlite
Ca
 
2
Mn
4+
2
(Te
6+
 
O
 
6
)
 
2
· H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
28.4.1Xocomecatlite
Cu
 
3
(TeO
 
4
)(OH)
 
4
28.4.2Carlfriesite
CaTe
4+
2
Te
6+
 
O
 
8
28.4.3Yafsoanite
Ca
 
3
Zn
 
3
(TeO
 
6
)
 
2
28.4.4Tlalocite
Cu
 
10
Zn
 
6
(Te
6+
 
O
 
4
)
 
2
(Te
4+
 
O
 
3
)(OH)
 
25
Cl · 27H
 
2
O
28.4.5Oboyerite
H
 
6
(Pb,Ca)
 
6
(Te
4+
 
O
 
3
)
 
3
(Te
6+
 
O
 
6
)
 
2
· 2H
 
2
O
28.4.6Schieffelinite
Pb
 
8
(TeO
 
4
)
 
5
(SO
 
4
)
 
3
· 8H
 
2
O
28.4.7Girdite
H
 
2
Pb
 
3
(Te
4+
 
O
 
3
)(Te
6+
 
O
 
6
)
28.4.8Khinite
Pb
2+
 
Cu
2+
3
Te
6+
 
O
 
6
(OH)
 
2
28.4.9Parakhinite
Pb
2+
 
Cu
2+
3
Te
6+
 
O
 
6
(OH)
 
2
28.4.10Dugganite
Pb
 
3
Zn
 
3
(AsO
 
4
)
 
2
(TeO
 
6
)
28.4.11Kuksite
Pb
 
3
Zn
 
3
(PO
 
4
)
 
2
(TeO
 
6
)
28.4.12Cheremnykhite
Pb
 
3
Zn
 
3
(VO
 
4
)
 
2
(TeO
 
6
)
28.4.13Tlapallite
H
 
6
(Ca,Pb)
 
2
(Cu,Zn)
 
3
(TeO
 
3
)
 
4
(TeO
 
6
)(SO
 
4
)
28.4.14Montanite
Bi
 
2
(TeO
 
6
) · 2H
 
2
O
28.4.15Kuranakhite
PbMn
4+
 
Te
6+
 
O
 
6
28.4.16Cuzticite
Fe
3+
2
(TeO
 
6
) · 3H
 
2
O

Other Names for Yecoraite

Synonyms:
IMA1983-062
Other Languages:
German:Yecorait
Spanish:Yecoraita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Yecoraite

Reference List:

- +
Bol. Sociedad Mexicana De Mineralogia.

Acta Crystallographica (1985): 1: 10-16.

American Mineralogist (1986): 71: 1547.

Frost, R.L., and Keeffe, E.C. (2009): Raman spectroscopic study of the mixed anion mineral Yecoraite Bi5Fe3O9(Te4+O3)(Te6+O4)2•9H2O. Journal of Raman Spectroscopy 40(9), 1117-1120.

Internet Links for Yecoraite

Search Engines:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Yecoraite details from Handbook of Mineralogy (PDF)
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  • Localities for Yecoraite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Austria
     
    • Carinthia
      • Hohe Tauern
        • Goldberg group
          • Innerfragant
            • Wurten
    Paar, W.H., and Niedermayr, G. (1998): Mitteilungen der Österreichischen Mineralogischen Gesellschaft 143, 425-435.
    BLASS, G. & H.W. GRAF (1997): Neue Mineralfunde aus Kärnten. MINERALIEN-Welt 8 (2), 27-28.
    Canada
     
    • Ontario
      • Thunder Bay District
        • Marathon
    Liferovich & Mitchell pers. comm. L. Horváth 2005: L. Horváth 2009
    Mexico
     
    • Sonora
      • Mun. de Yécora
        • Yécora
    Bol.Soc. Mexicana de Mineral.(1985) 1, 10-16 ; Panczner (1987): 400.
    Sweden
     
    • Västerbotten
      • Sandfors
    Pavel M. Kartashov data
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 6th Feb 2012 16:43:39
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